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Interface IC's Telecom Interface ICs

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Part #

Telecom Interface ICs Pb Free HDLC Controller, PLCC

MT8952BP1
Microchip Technology
1: $25.37
138In Stock
End of Life

Mfr. Part #
MT8952BP1

Mouser Part #
494-MT8952BP1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free HDLC Controller, PLCC

Datasheet

138In Stock

$25.37

$22.93

$21.86

$18.10

Quote

Min.: 1
Mult.: 1

ISDN Controllers

5.25 V

4.75 V

- 40 C

+ 85 C

SMD/SMT

PLCC-28

Tube

Telecom Interface ICs Pb Free DTMF TRANSCEIVER

MT8880CS1
Microchip Technology
1: $7.94
1,948In Stock
End of Life

Mfr. Part #
MT8880CS1

Mouser Part #
494-MT8880CS1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free DTMF TRANSCEIVER

Learn More

1,948In Stock

$7.94

Min.: 1
Mult.: 1

DTMF - Dual-tone Multi-frequency Transceivers

5.25 V

4.75 V

7 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-20

Tube

Telecom Interface ICs 1b Free INTEGRATED DTMF XCVR INTEL IF

MT8888CN1
Microchip Technology
1: $7.94
1,468In Stock
End of Life

Mfr. Part #
MT8888CN1

Mouser Part #
494-MT8888CN1

End of Life

Microchip Technology

Telecom Interface ICs 1b Free INTEGRATED DTMF XCVR INTEL IF

Learn More

Datasheet

1,468In Stock

$7.94

Min.: 1
Mult.: 1

DTMF - Dual-tone Multi-frequency Transceivers

5.25 V

4.75 V

7 mA

- 40 C

+ 85 C

SMD/SMT

SSOP-24

Tube

Telecom Interface ICs V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

CMX867AE2
CML Micro
1: $9.24
193In Stock

Mfr. Part #
CMX867AE2

Mouser Part #
226-CMX867AE2

CML Micro

Telecom Interface ICs V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

Datasheet

193In Stock

$9.24

$8.93

$8.04

$7.52

Min.: 1
Mult.: 1

Modems

5.5 mA

- 40 C

+ 85 C

SMD/SMT

TSSOP-24

Tube

Telecom Interface ICs Worldwide Tone Compatibility Single and Dual Tones detected

CMX673D4
CML Micro
1: $9.76
41In Stock
141Expected 2026-02-26

Mfr. Part #
CMX673D4

Mouser Part #
226-CMX673D4

CML Micro

Telecom Interface ICs Worldwide Tone Compatibility Single and Dual Tones detected

Datasheet

41In Stock

141Expected 2026-02-26

$9.76

$7.78

$7.20

$6.03

View

Min.: 1
Mult.: 1

5.5 V

2.7 V

1 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-16

Tube

Telecom Interface ICs 8-Port T1/E1/J1 Transceiver

DS26518GN+
Analog Devices / Maxim Integrated
1: $179.00
57In Stock

Mfr. Part #
DS26518GN+

Mouser Part #
700-DS26518GN

Analog Devices / Maxim Integrated

Telecom Interface ICs 8-Port T1/E1/J1 Transceiver

Datasheet

57In Stock

$179.00

$150.32

$143.15

$140.65

Quote

Min.: 1
Mult.: 1

T1/E1/J1 Line Interface Units - LIUs

1.89 V, 3.465 V

1.71 V, 3.135 V

- 40 C

+ 85 C

SMD/SMT

TE-CSBGA-256

Tray

Telecom Interface ICs Function Images Supporting 4/16/32/64 QAM, 2/4/8/16 FSK, GMSK/GFSK, V.23

CMX7164Q1
CML Micro
1: $40.48
26In Stock

Mfr. Part #
CMX7164Q1

Mouser Part #
226-CMX7164Q1

CML Micro

Telecom Interface ICs Function Images Supporting 4/16/32/64 QAM, 2/4/8/16 FSK, GMSK/GFSK, V.23

Learn More

Datasheet

26In Stock

$40.48

$39.14

$35.21

$33.46

View

Min.: 1
Mult.: 1

Modems

- 40 C

+ 85 C

SMD/SMT

VQFN-64

Tray

Telecom Interface ICs 28 CH HD LIU

82P2821BHG
Renesas Electronics
1: $236.14
5In Stock

Mfr. Part #
82P2821BHG

Mouser Part #
972-82P2821BHG

Renesas Electronics

Telecom Interface ICs 28 CH HD LIU

Datasheet

5In Stock

$236.14

$218.12

Min.: 1
Mult.: 1

E1 Line Interface Units - LIUs

SMD/SMT

PBGA-640

Tray

Telecom Interface ICs Worldwide Tone Compatibility Single and Dual Tones detected

CMX673E3
CML Micro
1: $9.76
74In Stock

Mfr. Part #
CMX673E3

Mouser Part #
226-CMX673E3

CML Micro

Telecom Interface ICs Worldwide Tone Compatibility Single and Dual Tones detected

Datasheet

74In Stock

$9.76

$7.78

$6.63

$5.45

View

Min.: 1
Mult.: 1

5.5 V

2.7 V

1 mA

- 40 C

+ 85 C

SMD/SMT

TSSOP-20

Tube

Telecom Interface ICs 1x S V.35 Tran

LTC1345ISW#PBF
Analog Devices
1: $48.80
37In Stock

Mfr. Part #
LTC1345ISW#PBF

Mouser Part #
584-LTC1345ISW#PBF

Analog Devices

Telecom Interface ICs 1x S V.35 Tran

Datasheet

37In Stock

$48.80

$41.25

$39.39

$35.23

Min.: 1
Mult.: 1

Transceivers

5.25 V

4.75 V

118 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-28

Tube

Telecom Interface ICs 1200bps Half Duplex Bell 202 Compatible Modem

MX614TN
CML Micro
1: $26.69
7In Stock
NRND

Mfr. Part #
MX614TN

Mouser Part #
226-MX614TN

NRND

CML Micro

Telecom Interface ICs 1200bps Half Duplex Bell 202 Compatible Modem

Datasheet

7In Stock

$26.69

$21.31

$18.17

$14.89

View

Min.: 1
Mult.: 1

1.7 mA

- 40 C

+ 85 C

SMD/SMT

TSSOP-24

Tube

Telecom Interface ICs High Performance Low Bit-rate Vocoder

CMX638Q3
CML Micro
1: $38.68
45In Stock

Mfr. Part #
CMX638Q3

Mouser Part #
226-CMX638Q3

CML Micro

Telecom Interface ICs High Performance Low Bit-rate Vocoder

Learn More

Datasheet

45In Stock

$38.68

$34.75

$34.74

$33.82

View

Min.: 1
Mult.: 1

1.9 V

1.7 V

17.5 mA

- 40 C

+ 85 C

SMD/SMT

VQFN-48

Tray

Telecom Interface ICs V.32bis, V.22bis, V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

CMX869BD2
CML Micro
1: $15.87
22In Stock

Mfr. Part #
CMX869BD2

Mouser Part #
226-CMX869BD2

CML Micro

Telecom Interface ICs V.32bis, V.22bis, V.22/ Bell 212A, V.23, Bell 202, V.21, DTMF Encoder/Decoder

Datasheet

22In Stock

$15.87

$15.35

$13.80

$13.12

View

Min.: 1
Mult.: 1

Modems

8.6 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-24

Tube

Telecom Interface ICs VOICE SWITCH SPEAKERPHONE CIRCUIT

TS34118CS28 RDG
Taiwan Semiconductor
1: $4.19
2,001In Stock
9,000Expected 2026-04-02

Mfr. Part #
TS34118CS28 RDG

Mouser Part #
821-TS34118CS28RDG

Taiwan Semiconductor

Telecom Interface ICs VOICE SWITCH SPEAKERPHONE CIRCUIT

Datasheet

2,001In Stock

9,000Expected 2026-04-02

Cut Tape

$4.19

$2.89

$2.64

$2.30

View

Reel

$1.72

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

SMD/SMT

SOP-28

Reel, Cut Tape, MouseReel

Telecom Interface ICs Pb Free DTMF RECEIVER

MT8888CSR1
Microchip Technology
1: $8.98
1,254In Stock
End of Life

Mfr. Part #
MT8888CSR1

Mouser Part #
494-MT8888CSR1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free DTMF RECEIVER

Learn More

Datasheet

1,254In Stock

Cut Tape

$8.98

Reel

$8.09

Quote

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

DTMF - Dual-tone Multi-frequency Transceivers

5.25 V

4.75 V

7 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-20

Reel, Cut Tape, MouseReel

Telecom Interface ICs Function Images Supporting G729A/PCM/CVSD, PCM/G723.1

CMX7261L9
CML Micro
1: $27.57
8In Stock

Mfr. Part #
CMX7261L9

Mouser Part #
226-CMX7261L9

CML Micro

Telecom Interface ICs Function Images Supporting G729A/PCM/CVSD, PCM/G723.1

Learn More

Datasheet

8In Stock

$27.57

$26.66

$23.99

$22.79

View

Min.: 1
Mult.: 1

3.6 V

3 V

- 40 C

+ 85 C

SMD/SMT

LQFP-64

Tray

Telecom Interface ICs T1/E1/J1 TRANSCEIVER /QUAD

82P2284BBG
Renesas Electronics
1: $153.81
17In Stock
100Expected 2026-06-08

Mfr. Part #
82P2284BBG

Mouser Part #
972-82P2284BBG

Renesas Electronics

Telecom Interface ICs T1/E1/J1 TRANSCEIVER /QUAD

Datasheet

17In Stock

100Expected 2026-06-08

$153.81

$128.80

$128.71

Min.: 1
Mult.: 1

Transceivers

1.98 V, 3.6 V

1.68 V, 3 V

- 40 C

+ 85 C

SMD/SMT

PBGA-208

Tray

Telecom Interface ICs 2400/2750bps Voice Codeing, 3600bps with FEC enabled

CMX618Q3
CML Micro
1: $24.53
74In Stock

Mfr. Part #
CMX618Q3

Mouser Part #
226-CMX618Q3

CML Micro

Telecom Interface ICs 2400/2750bps Voice Codeing, 3600bps with FEC enabled

Learn More

Datasheet

74In Stock

$24.53

$23.75

$21.34

$21.32

$20.31

Min.: 1
Mult.: 1

1.9 V

1.7 V

17.5 mA

- 40 C

+ 85 C

SMD/SMT

VQFN-48

Tray

Telecom Interface ICs Pb Free 3 VOLT INTEGRATED DTMF RECEIVER

MT88L70AN1
Microchip Technology
1: $2.76
483In Stock
End of Life

Mfr. Part #
MT88L70AN1

Mouser Part #
494-MT88L70AN1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free 3 VOLT INTEGRATED DTMF RECEIVER

Learn More

Datasheet

483In Stock

$2.76

$2.49

$2.46

$2.43

View

Min.: 1
Mult.: 1

DTMF - Dual-tone Multi-frequency Receivers

3.6 V

2.7 V

2 mA

- 40 C

+ 85 C

SMD/SMT

SSOP-20

Tube

Telecom Interface ICs T1/E1 TRANSCEIVER

82P2288BBG
Renesas Electronics
1: $191.68
20In Stock

Mfr. Part #
82P2288BBG

Mouser Part #
972-82P2288BBG

Renesas Electronics

Telecom Interface ICs T1/E1 TRANSCEIVER

Datasheet

20In Stock

$191.68

$174.50

Min.: 1
Mult.: 1

Transceivers

1.98 V, 3.6 V

1.68 V, 3 V

- 40 C

+ 85 C

SMD/SMT

PBGA-256

Tray

Telecom Interface ICs

SI3018-F-FS
Skyworks Solutions, Inc.
1: $9.81
46In Stock

Mfr. Part #
SI3018-F-FS

Mouser Part #
634-SI3018-F-FS

Skyworks Solutions, Inc.

Telecom Interface ICs

Datasheet

46In Stock

$9.81

$7.55

$6.66

$6.22

View

Min.: 1
Mult.: 1

Voice DAAs

3.6 V

3 V

8.5 mA

0 C

+ 70 C

SMD/SMT

SOIC-16

Tube

Telecom Interface ICs

SI3019-F-FS
Skyworks Solutions, Inc.
1: $13.66
33In Stock

Mfr. Part #
SI3019-F-FS

Mouser Part #
634-SI3019-F-FS

Skyworks Solutions, Inc.

Telecom Interface ICs

Datasheet

33In Stock

$13.66

$10.62

$9.42

$8.81

View

Min.: 1
Mult.: 1

Voice DAAs

3.6 V

3 V

8.5 mA

0 C

+ 70 C

SMD/SMT

SOIC-16

Tube

Telecom Interface ICs 1200bps Half Duplex Bell 202 Compatible Modem

FX614D4
CML Micro
1: $22.24
2In Stock
NRND

Mfr. Part #
FX614D4

Mouser Part #
226-FX614D4

NRND

CML Micro

Telecom Interface ICs 1200bps Half Duplex Bell 202 Compatible Modem

Datasheet

2In Stock

$22.24

$17.76

$15.14

$12.42

View

Min.: 1
Mult.: 1

Modems

1.7 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-16

Tube

Telecom Interface ICs Pb Free Integrated DTMF Receiver

MT8870DSR1
Microchip Technology
1: $2.64
126In Stock
End of Life

Mfr. Part #
MT8870DSR1

Mouser Part #
494-MT8870DSR1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free Integrated DTMF Receiver

Learn More

Datasheet

126In Stock

Cut Tape

$2.64

Reel

$2.64

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

DTMF - Dual-tone Multi-frequency Receivers

5.25 V

4.75 V

3 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-18

Reel, Cut Tape, MouseReel

Telecom Interface ICs Pb Free DTMF RECEIVER SOIC

MT8870DS1
Microchip Technology
1: $2.46
54In Stock
End of Life

Mfr. Part #
MT8870DS1

Mouser Part #
494-MT8870DS1

End of Life

Microchip Technology

Telecom Interface ICs Pb Free DTMF RECEIVER SOIC

Learn More

Datasheet

54In Stock

$2.46

Min.: 1
Mult.: 1

DTMF - Dual-tone Multi-frequency Receivers

5.25 V

4.75 V

3 mA

- 40 C

+ 85 C

SMD/SMT

SOIC-18

Tube

Interface IC's Telecom Interface ICs

Mouser Electronics®

Company

Resources

Support

Caller ID ICs
DAA - Direct Access Arrangements
Digital Network Interface Circuits
Digital Subscriber Interface Circuits
DTMF - Dual-tone Multi-frequency Receivers
DTMF - Dual-tone Multi-frequency Transceivers
E1 Line Interface Units - LIUs
Ethernet Over PDH Mappers
Framers
ISDN Controllers
LIU - Line Interface Units
M
Modem ICs
Modems
Pro Subscriber Line Interface Concept (SLIC) ICs
Relay Drivers
SLIC - Subscriber Line Interface Circuits
Subscriber Line Interface Circuits miSLICs
Subscriber Line Interface Circuits - SLICs
Synchronization System

1 uA
8 uA
- 4.4 mA
1 mA
1.7 mA
2 mA
+/- 2.5 mA, +/- 10 mA
3 mA
4 mA
4.5 mA
5.5 mA
7 mA
8.5 mA
8.6 mA
10 mA
15 mA
17.5 mA
20 mA
25 mA
43.8 mA, 44.6 mA

BGA-484
BGA-896
CABGA-196
CABGA-256
CABGA-484
CSBGA-144
CSBGA-256
CSBGA-49
FCBGA-1152
FCBGA-896
FPBGA-81
HFCBGA-672
HSBGA-484
L2BGA-276
LBGA-196
LFBGA-119
LGA-42
LQFP-100
LQFP-176
LQFP-48